初高中英语语法情态动词课件 21页

ModalverbsMust/haveto/may/might/should/oughtto/needn’t/will\nObligation/necessityYoumusttakeyourmedicine.Youhaveto/needtotakeyourmedicine.Youshouldtakeyourmedicine.\nMust/shouldpresentorfutureHavetoinalltensesIhadtostudyforthetestyesterday.Iwillhavetofindanewhousesoon.\nLackofnecessityIdon’thave/don’tneedtogetupearlytoday.Ineedn’tgetupearlytoday.\nProhibitionYoumustn’t/can’t/maynotsmokeinthehospital.\nadvice\n\n\nPossibilityItmay/might/can/couldrainlater.\nPermissionMay/Can/Might/CouldIgoout?\nRequestCan/Could/Will/Wouldyouhelpmewiththebags,please?\ncertaintyItmustbeabandoned.Itcan’t/couldn’tbeinhabited.\nOfferShall/MayIhelpyou?\npredictionTheconcertshould/oughtto/willstartsoon.\nPastModal+have+pastparticiple\ncertaintyHecan’thavestudied.\npredictionPeterhasn’tarrivedyet.Hemay/might/couldhavemissedthebus.\nExpectationsnotfulfilledIcouldhavedonebetter.Ishouldhavetriedharder.Ishouldn’thavemadethatstupidmistake.\nIwouldhaveboughttheshoes,butIdidn’thaveenoughmoney.\nEverythingwentfine.Ineedn’thaveworriedsomuch.\nWeneedn’thavegone.(butwewent)Wedidn’thavetogo.Wedidn’tneedtogo.(sowedidn’tgo)